1307888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1952

約数の個数: 20

約数和(自身を含む): 2594328

約数和(自身を除く): 1286440

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1901, 3802, 7604, 15208, 30416, 81743, 163486, 326972, 653944, 1307888]

約数ペア:

[(1, 1307888), (2, 653944), (4, 326972), (8, 163486), (16, 81743), (43, 30416), (86, 15208), (172, 7604), (344, 3802), (688, 1901)]